When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Fit】The 503 pressure assist tank assembly is the efficient flushing system. Not fit for K 4404 tank or 28-385 tank; It does NOT fit 10 Inch rough-in tanks, only 12 Inch rough-in tanks. ‘’Rough-in’’ refers to the distance from the wall to the bolts at the center of the drain. Does not work in one-piece fixtures.
【Flushing Efficiency】This 503 Pressure Assist Systems is used on model 503 Systems 1.6 gpf tanks.
【Value for money】This 503 Pressure Assist Tank Assembly Contains Cartridge, Great Replacement Toilet Tank and Easy to Install.
【Easy to install】 This 503 Replacement Tank System can be installed in just 30-40 minutes. Step by step installation instructions and videos are available online youtube.com. Caution: Pressure vessel turn water supply off and flush unit prior to servicing use cold water only.
